下列哪些属于绞窄性肠梗阻的临床表现() ["A．持续性剧烈腹痛、阵发性加重","B．X线检查示大、小肠充气扩张","C．明显腹膜刺激征","D．胃肠减压抽出液为血性","E．早期出现休克"]
垂体性侏儒症(pituitary dwarfism)
APUD瘤(amine precursor uptake and decarboxylation tumor)
下列哪些是乙状结肠扭转的临床特点() ["A．多见于男性老年人","B．频繁呕吐","C．发作时有腹部绞痛","D．腹胀明显","E．常有便秘习惯，以往有多次腹痛发作，有排气排便后可缓解的病史"]
尿崩症(diabetes insipidus)
嗜铬细胞瘤(pheochromocytoma)
